Please take a look at the picture. Please write your answer with an explanation.

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Which inequality has a dashed boundary line when graphed ?